<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Intl\Intl;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
/**
* Validates whether a value is a valid currency
* @author Miha Vrhovnik <miha.vrhovnik@pagein.si>
* @api
class CurrencyValidator extends ConstraintValidator
{
* {@inheritdoc}
public function validate($value, Constraint $constraint)
if (!$constraint instanceof Currency) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Currency');
}
if (null === $value || '' === $value) {
return;
if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
throw new UnexpectedTypeException($value, 'string');
$value = (string) $value;
$currencies = Intl::getCurrencyBundle()->getCurrencyNames();
if (!isset($currencies[$value])) {
$this->context->addViolation($constraint->message, array('{{ value }}' => $value));